/* 学生信息 */
.user {
    float: left;
    margin: 68px 0px 0px 180px;
    width: 1000px;
    height: 600px;
    border: 1px solid #d9d9d9;
    border-radius: 10px;
}
.user  .left{
    float: left;
    margin: 80px 0px 0px 50px ;
    width: 450px;
    height: 450px;
}
.user  .left li{
    float: left;
    margin-bottom: 18px;
    width: 450px;
    height: 50px;
}
.user  .left li span{
    display:inline-block;
    width: 90px;
    float: left;
    text-align: left;
    font-size: 18px;
}
.user  .left li input{
    width: 250px;
    height: 30px;
}

.user  .center{
    margin-left: 100px;
    float: left;
    margin-top: 80px;
    width: 150px;
    height: 190px;
    background-color: #d9d9d9;
}
.user  .center img{
  
    width: 100%;
    height: 100%;
    transition-duration: .3s;
}
.user  .center img:hover{
    transform: translateY(-4px);
}
.bbtn{
    margin-top: 500px;
    margin-left: 700px;
}
.btn-info{
    transition-duration: .3s;
}
.btn-info:hover{
    transform: translateY(-4px);
}